Home / 105,968.88-146,237.04-58,220.64

Finding the Fourth Proportional to 105,968.88, 146,237.04 and 58,220.64

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Solution

The fourth proportional to 105,968.88, 146,237.04 and 58,220.64 is: 80,344.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,968.88 : 146,237.04 = 58,220.64 : x
  2. Step 2: Convert to fraction form
    105,968.88/146,237.04 = 58,220.64/x
  3. Step 3: Cross multiply
    105,968.88x = 146,237.04 × 58,220.64
  4. Step 4: Simplify right side
    105,968.88x = 8,514,014,060.51
  5. Step 5: Solve for x
    x = 8,514,014,060.51/105,968.88
  6. Step 6: Final answer
    x = 80,344.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.